2The goods, apart from any get-up, must consist solely of one or more substances described in—
(a)any monograph in any edition of the British Pharmacopoeia; or
(b)any monograph, or the Formulary, in any edition of the British Pharmaceutical Codex ; or
(c)the National (War) Formulary issued by His Majesty's Stationery Office ; or
(d)any Formulary approved by the Minister of Health for the purposes of the National Health Service,
but may be compounded with one or more of the following things, namely, an excipient, vehicle, base or preservative.